/*
 * Copyright (C) 2017-2019 Dremio Corporation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.dremio.exec.catalog;

import com.dremio.service.namespace.NamespaceKey;

/**
 * Interface that is informed when a dataset's metadata has been updated. Allows the DatasetSaver to
 * communicate with the SourceMetadataManager.
 */
interface MetadataUpdateListener {

  /**
   * Notification that metadata has been updated.
   * @param key The key of the dataset that has been updated.
   */
  void metadataUpdated(NamespaceKey key);
}
